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source: branches/2679_HeuristicLab.GoalSeekingProblem/HeuristicLab.GoalSeekingProblem/3.4/InputParameter.cs @ 16433

Last change on this file since 16433 was 14338, checked in by bburlacu, 8 years ago

#2679: Guard against NaN values in the setters for Input and Goal parameter values. Re-register input and goal parameter changed events after cloning. Avoid exception when initializing internal dataset when no inputs are available.

File size: 3.7 KB
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1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2016 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
4 *
5 * This file is part of HeuristicLab.
6 *
7 * HeuristicLab is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * HeuristicLab is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
19 */
20#endregion
21
22using System;
23using HeuristicLab.Common;
24using HeuristicLab.Core;
25using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
26
27namespace HeuristicLab.GoalSeeking {
28  [Item("InputParameter", "An object describing a target for the goal seeking.")]
29  [StorableClass]
30  public class InputParameter : NamedItem {
31    [Storable]
32    private double min;
33    public double Min {
34      get { return min; }
35      set {
36        if (double.IsNaN(value) || double.IsInfinity(value)) return;
37        if (min.IsAlmost(value)) return;
38        min = value;
39        OnChanged(this, EventArgs.Empty);
40      }
41    }
42
43    [Storable]
44    private double max;
45    public double Max {
46      get { return max; }
47      set {
48        if (double.IsNaN(value) || double.IsInfinity(value)) return;
49        if (max.IsAlmost(value)) return;
50        max = value;
51        OnChanged(this, EventArgs.Empty);
52      }
53    }
54
55    [Storable]
56    private double step;
57    public double Step {
58      get { return step; }
59      set {
60        if (double.IsNaN(value) || double.IsInfinity(value)) return;
61        if (step.IsAlmost(value)) return;
62        step = value;
63        OnChanged(this, EventArgs.Empty);
64      }
65    }
66
67    [Storable]
68    private double value;
69    public double Value {
70      get { return value; }
71      set {
72        if (double.IsNaN(value) || double.IsInfinity(value)) return;
73        if (this.value.IsAlmost(value)) return;
74        this.value = value;
75        OnChanged(this, EventArgs.Empty);
76      }
77    }
78
79    [Storable]
80    private bool active;
81    public bool Active {
82      get { return active; }
83      set {
84        if (active == value) return;
85        active = value;
86        OnChanged(this, EventArgs.Empty);
87      }
88    }
89
90    public override string ToString() {
91      return string.Format("{0} [active: {1}; value: {2}; min: {3}; max: {4}; step: {5}]", Name, Active, Value, Min, Max, Step);
92    }
93
94    protected InputParameter(InputParameter original, Cloner cloner) : base(original, cloner) {
95      name = original.name;
96      min = original.min;
97      max = original.max;
98      step = original.step;
99      value = original.value;
100      active = original.active;
101    }
102
103    public override IDeepCloneable Clone(Cloner cloner) {
104      return new InputParameter(this, cloner);
105    }
106
107    [StorableConstructor]
108    protected InputParameter(bool deserializing) : base(deserializing) { }
109
110    public InputParameter(string name, double value, double min, double max, double step, bool active = true) {
111      this.name = name;
112      this.value = value;
113      this.min = min;
114      this.max = max;
115      this.step = step;
116      this.active = active;
117    }
118
119    public event EventHandler Changed;
120    private void OnChanged(object sender, EventArgs args) {
121      var changed = Changed;
122      if (changed == null) return;
123      changed(sender, args);
124    }
125  }
126}
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